#header{
    padding: 15px 0;
    background-color: #000000;
    .navbar{
        border-radius: 0px;
        margin-bottom: 0px;
    }
    .navbar-inverse{
        background: transparent;
        border-color: transparent;
    }
    .logo{
        font-size:18px;
        color: #fff;
        text-transform:uppercase;
        font-family: OSBold;
    }

    .navbar-inverse .navbar-nav>li>a{
        font-size: 14px;
        color: #fff;
        text-transform:uppercase;
        border-bottom: 2px solid transparent;
        // &表示前端的选择符
        &:hover{
            border-bottom: 2px solid #fcac45;
        }
    }
	@media screen and (max-width: 770px) {
	    .navbar-inverse .navbar-nav > li > a{
	        text-align:center;
	    }
	}
}